The Perfect Accent for Your Home, Garden or Patio.These Solar Powered LED Icicle Lights utilize the sun's energy for dusk to dawn lighting. The auto sensor turns on at dusk...off at dawn! The beautiful faceted icicles look like elegant cut crystals that fade from bright to light. This energy saver requires no outlets or electricity. The set contains 20 - 4" icicles that extend to just over 10 feet long. Includes 1 rechargeable AAA battery.